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GPT-5.3 Chat
openai/gpt-5.3-chat
OrganizationOpenAI
FamilyGPT
Released2026-03-03
Context window128K
Max output16K
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TextImageDocument
Output
Text
Providers-
Price-
WeightsClosed
Attachments
Native
Reasoning-
Tool call
Native
Structured
Native
Temperature
Native
Open weight-
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